Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kc2 win in 3 half-moves
3 Rb5 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 Kb5 win in 5 half-moves
6 Kb6 win in 5 half-moves
7 Kc5 win in 5 half-moves
8 Kd5 win in 5 half-moves
9 Rb6 win in 5 half-moves
10 Rc2 win in 5 half-moves
11 Kd6 win in 7 half-moves
12 Ra2 win in 7 half-moves
13 Rb3 win in 9 half-moves
14 Rb8 win in 11 half-moves
15 Kc7 draw
16 Kd7 draw
17 Rb4 draw
18 Kc1 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kd1 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Ke1 loss in 2 half-moves
23 Ke2 loss in 2 half-moves
24 Ke3 loss in 2 half-moves
25 Rb1 loss in 2 half-moves